PMT-27: implement removeEmployeeFromProject method

api/pmt.yml

@@ -210,3 +210,39 @@ paths:
                 type: string
         500:
           $ref: "#/components/responses/InternalError"
+
+  /project/{id}/employee/{employeeId}:
+    delete:
+      operationId: "removeEmployeeFromProject"
+      description: "Removes an employee from a Project"
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: integer
+            format: int64
+          required: true
+        - in: path
+          name: employeeId
+          schema:
+            type: integer
+            format: int64
+          required: true
+      responses:
+        204:
+          description: "Deletes the employee from the Project"
+        401:
+          $ref: "#/components/responses/Unauthorized"
+        404:
+          description: "Employee not found"
+          content:
+            text/plain:
+              schema:
+                type: string
+        409:
+          $ref: "#/components/responses/Conflict"
+        500:
+          $ref: "#/components/responses/InternalError"
+        503:
+          $ref: "#/components/responses/ServiceUnavailable"
+

src/main/java/de/hmmh/pmt/ApiController.java

@@ -1,12 +1,11 @@
 package de.hmmh.pmt;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import de.hmmh.pmt.db.Allocation;
-import de.hmmh.pmt.db.AllocationRepository;
-import de.hmmh.pmt.db.Project;
-import de.hmmh.pmt.db.ProjectRepository;
+
+import de.hmmh.pmt.db.*;
 import de.hmmh.pmt.dtos.*;
 import de.hmmh.pmt.employee.ApiClientFactory;
+import de.hmmh.pmt.employee.api.EmployeeControllerApi;
 import de.hmmh.pmt.employee.dtos.EmployeeResponseDTO;
 import de.hmmh.pmt.oas.DefaultApi;
 import de.hmmh.pmt.util.Mapper;
@@ -143,4 +142,28 @@ public class ApiController implements DefaultApi {
 
         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
+
+    @Override
+    public ResponseEntity<Void> removeEmployeeFromProject(Long id, Long employeeId){
+        if (!projectRepository.existsById(id)) {
+            return ResponseEntity.notFound().build();
+        }
+
+        EmployeeResponseDTO employee;
+        try {
+            employee = apiClientFactory.getEmployeeApi().findById(employeeId);
+        } catch (HttpClientErrorException exception) {
+            return new ResponseEntity<>(exception.getStatusCode().equals(HttpStatus.NOT_FOUND)
+                ? HttpStatus.NOT_FOUND
+                : HttpStatus.SERVICE_UNAVAILABLE);
+        } catch (RestClientException exception) {
+            return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
+        }
+
+        Allocation allocation = allocationRepository.findById(id);
+        if (allocation.getEmployeeId().equals(employeeId)) {
+            allocationRepository.delete(allocation);
+        }
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
 }